package com.ziyucoding.springboot.labs.lab4.event.service;

/**
 * 订单服务
 *
 * @author ziyucoding
 * @date 2022-10-25
 **/
public interface OrderService {

    /**
     * 下单
     *
     * @param orderId
     * @return java.lang.String
     **/
    public String buyOrder(String orderId);
}
